CA1327945C - Elastomeric filtration materials - Google Patents
Elastomeric filtration materialsInfo
- Publication number
- CA1327945C CA1327945C CA000596571A CA596571A CA1327945C CA 1327945 C CA1327945 C CA 1327945C CA 000596571 A CA000596571 A CA 000596571A CA 596571 A CA596571 A CA 596571A CA 1327945 C CA1327945 C CA 1327945C
- Authority
- CA
- Canada
- Prior art keywords
- filter media
- fibers
- elastomeric
- filter
- small diameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 25
- 239000000463 material Substances 0.000 title description 15
- 239000000835 fiber Substances 0.000 claims abstract description 88
- 238000011045 prefiltration Methods 0.000 claims abstract description 20
- 239000012530 fluid Substances 0.000 claims abstract description 11
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 11
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 11
- 239000000356 contaminant Substances 0.000 claims abstract description 5
- 229920000728 polyester Polymers 0.000 claims description 12
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920006306 polyurethane fiber Polymers 0.000 claims description 3
- 229920002972 Acrylic fiber Polymers 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 229920001400 block copolymer Polymers 0.000 claims description 2
- 229920000098 polyolefin Polymers 0.000 claims description 2
- 238000012360 testing method Methods 0.000 description 14
- 239000003973 paint Substances 0.000 description 10
- 239000004743 Polypropylene Substances 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 239000011347 resin Substances 0.000 description 9
- 229920005989 resin Polymers 0.000 description 9
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 8
- 239000000443 aerosol Substances 0.000 description 8
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 8
- -1 for example Substances 0.000 description 8
- 239000004922 lacquer Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 239000007921 spray Substances 0.000 description 8
- 239000004744 fabric Substances 0.000 description 7
- 229920001155 polypropylene Polymers 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 239000003517 fume Substances 0.000 description 6
- 230000035515 penetration Effects 0.000 description 6
- 229920002635 polyurethane Polymers 0.000 description 6
- 239000004814 polyurethane Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 239000004593 Epoxy Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 210000003298 dental enamel Anatomy 0.000 description 3
- 239000011152 fibreglass Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 2
- 239000002320 enamel (paints) Substances 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 239000011236 particulate material Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000379 polypropylene carbonate Polymers 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 230000004584 weight gain Effects 0.000 description 2
- 235000019786 weight gain Nutrition 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 101100345589 Mus musculus Mical1 gene Proteins 0.000 description 1
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
- B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B23/00—Filters for breathing-protection purposes
- A62B23/02—Filters for breathing-protection purposes for respirators
- A62B23/025—Filters for breathing-protection purposes for respirators the filter having substantially the shape of a mask
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/56—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Nonwoven Fabrics (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US19380988A | 1988-05-13 | 1988-05-13 | |
| US193,809 | 1988-05-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1327945C true CA1327945C (en) | 1994-03-22 |
Family
ID=22715092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000596571A Expired - Fee Related CA1327945C (en) | 1988-05-13 | 1989-04-13 | Elastomeric filtration materials |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0341874B1 (de) |
| JP (1) | JP2984279B2 (de) |
| CA (1) | CA1327945C (de) |
| DE (1) | DE68916109T2 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19727369A1 (de) * | 1997-06-27 | 1999-01-07 | Knecht Filterwerke Gmbh | Rohrförmiges Filterelement |
| US6644314B1 (en) | 2000-11-17 | 2003-11-11 | Kimberly-Clark Worldwide, Inc. | Extensible and retractable face mask |
| DE102011111738A1 (de) * | 2011-08-26 | 2013-02-28 | Neenah Gessner Gmbh | Mehrlagiges Filtermaterial und daraus hergestelltes Filterelement |
| RU2492912C2 (ru) * | 2011-12-20 | 2013-09-20 | Федеральное государственное унитарное предприятие "Научно-исследовательский физико-химический институт им. Л.Я. Карпова" (ФГУП "НИФХИ им. Л.Я. Карпова") | Способ получения фильтрующего полимерного материала и фильтрующий материал |
| DE102012203784A1 (de) * | 2012-03-12 | 2013-09-12 | BSH Bosch und Siemens Hausgeräte GmbH | Wasserführendes Haushaltsgerät mit einem einstellbaren Filter |
| DE102024001235A1 (de) * | 2024-04-18 | 2025-10-23 | Axel Nickel | Elastischer einlagiger Meltblown-Vliesstoff sowie daraus bestehende Gesichtsmaske |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4354901A (en) * | 1979-10-05 | 1982-10-19 | Personal Products Company | Flexible absorbent boards |
| US4620932A (en) * | 1983-06-06 | 1986-11-04 | Howery Kenneth A | Submicronic hydrophilic filter media |
| US4600002A (en) * | 1984-10-24 | 1986-07-15 | American Optical Corporation | Disposable respirator |
| GB8612070D0 (en) * | 1986-05-19 | 1986-06-25 | Brown R C | Blended-fibre filter material |
-
1989
- 1989-04-13 CA CA000596571A patent/CA1327945C/en not_active Expired - Fee Related
- 1989-04-28 DE DE68916109T patent/DE68916109T2/de not_active Expired - Fee Related
- 1989-04-28 EP EP89304320A patent/EP0341874B1/de not_active Expired - Lifetime
- 1989-05-09 JP JP1115927A patent/JP2984279B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0341874B1 (de) | 1994-06-15 |
| JPH01317514A (ja) | 1989-12-22 |
| JP2984279B2 (ja) | 1999-11-29 |
| EP0341874A2 (de) | 1989-11-15 |
| DE68916109D1 (de) | 1994-07-21 |
| EP0341874A3 (de) | 1991-11-21 |
| DE68916109T2 (de) | 1994-12-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |